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replay ddl control log of lob meta tablet and data tablet independently

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This commit is contained in:
simonjoylet
2024-01-19 09:42:13 +00:00
committed by ob-robot
parent 9079c06d5b
commit 593d84369f
7 changed files with 212 additions and 33 deletions
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1
src/share/ob_debug_sync_point.h
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@ -381,6 +381,7 @@ class ObString;
ACT(BEFORE_MIGRATION_ENABLE_LOG,)\
ACT(AFTER_MIGRATION_ENABLE_LOG,)\
ACT(BEFORE_RELEASE_DDL_KV,)\
ACT(BEFORE_DDL_LOB_META_TABLET_MDS_DUMP,)\
ACT(BEFORE_DDL_CHECKPOINT,)\
ACT(AFTER_DDL_WRITE_MACRO_BLOCK,)\
ACT(BEFORE_REPLAY_DDL_MACRO_BLOCK,)\

4
src/share/parameter/ob_parameter_seed.ipp
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@ -1143,6 +1143,10 @@ ERRSIM_DEF_TIME(errsim_ddl_major_delay_time, OB_CLUSTER_PARAMETER, "0s", "[0s,36
"ddl create major sstable delay time in errsim mode, Range [0s,3600s]. "
"The default value is 120s",
ObParameterAttr(Section::OBSERVER, Source::DEFAULT, EditLevel::DYNAMIC_EFFECTIVE));
ERRSIM_DEF_INT(errsim_test_tablet_id, OB_CLUSTER_PARAMETER, "0", "[0,)",
"test tablet id in errsim mode, for error injection"
"Range: [0,) in integer",
ObParameterAttr(Section::OBSERVER, Source::DEFAULT, EditLevel::DYNAMIC_EFFECTIVE));
#ifdef TRANS_MODULE_TEST
DEF_INT(module_test_trx_memory_errsim_percentage, OB_CLUSTER_PARAMETER, "0", "[0, 100]",

133
src/storage/ddl/ob_ddl_replay_executor.cpp
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@ -31,10 +31,11 @@ ObDDLReplayExecutor::ObDDLReplayExecutor()
{}
int ObDDLReplayExecutor::check_need_replay_ddl_log_(
const ObLS *ls,
const ObTabletHandle &tablet_handle,
const share::SCN &ddl_start_scn,
const share::SCN &scn,
bool &need_replay) const
bool &need_replay)
{
int ret = OB_SUCCESS;
need_replay = true;
@ -42,15 +43,15 @@ int ObDDLReplayExecutor::check_need_replay_ddl_log_(
ObDDLKvMgrHandle ddl_kv_mgr_handle;
ObMigrationStatus migration_status;
ObTabletBindingMdsUserData ddl_data;
if (OB_UNLIKELY(!is_inited_)) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else if (OB_FAIL(ls_->get_ls_meta().get_migration_status(migration_status))) {
LOG_WARN("get migration status failed", K(ret), KPC(ls_));
if (OB_UNLIKELY(nullptr == ls || !tablet_handle.is_valid() || !ddl_start_scn.is_valid_and_not_min() || !scn.is_valid_and_not_min())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("not init", K(ret), KP(ls), K(tablet_handle), K(ddl_start_scn), K(scn));
} else if (OB_FAIL(ls->get_ls_meta().get_migration_status(migration_status))) {
LOG_WARN("get migration status failed", K(ret), KPC(ls));
} else if (ObMigrationStatus::OB_MIGRATION_STATUS_ADD_FAIL == migration_status
|| ObMigrationStatus::OB_MIGRATION_STATUS_MIGRATE_FAIL == migration_status) {
need_replay = false;
LOG_INFO("ls migration failed, so ddl log skip replay", "ls_id", ls_->get_ls_id(), K(tablet_handle), K(migration_status));
LOG_INFO("ls migration failed, so ddl log skip replay", "ls_id", ls->get_ls_id(), K(tablet_handle), K(migration_status));
} else if (OB_ISNULL(tablet = tablet_handle.get_obj())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("tablet is null", K(ret), K(tablet_handle));
@ -83,11 +84,11 @@ int ObDDLReplayExecutor::check_need_replay_ddl_log_(
} else if (ddl_data.lob_meta_tablet_id_.is_valid()) {
ObTabletHandle lob_tablet_handle;
const ObTabletID lob_tablet_id = ddl_data.lob_meta_tablet_id_;
if (OB_FAIL(ls_->replay_get_tablet_no_check(lob_tablet_id, scn, lob_tablet_handle))) {
if (OB_FAIL(ls->replay_get_tablet_no_check(lob_tablet_id, scn, lob_tablet_handle))) {
LOG_WARN("get tablet handle failed", K(ret), K(lob_tablet_id), K(scn));
} else if (lob_tablet_handle.get_obj()->is_empty_shell()) {
need_replay = false;
LOG_INFO("lob tablet is empty, skip replay", K(ret), K(tablet_id_), K(lob_tablet_id));
LOG_INFO("lob tablet is empty shell, skip replay", K(ret), "tablet_id", tablet->get_tablet_id(), K(lob_tablet_id));
}
}
return ret;
@ -126,47 +127,88 @@ int ObDDLStartReplayExecutor::init(
}
int ObDDLStartReplayExecutor::do_replay_(ObTabletHandle &tablet_handle)
{
int ret = OB_SUCCESS;
ObTabletBindingMdsUserData ddl_data;
if (OB_UNLIKELY(!is_inited_)) {
ret = OB_NOT_INIT;
LOG_WARN("ObDDLRedoLogReplayer has not been inited", K(ret));
} else if (OB_UNLIKELY(!log_->is_valid() || !tablet_handle.is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid arguments", K(ret), K_(log), K(tablet_handle));
} else if (OB_FAIL(tablet_handle.get_obj()->ObITabletMdsInterface::get_ddl_data(share::SCN::max_scn(), ddl_data))) {
LOG_WARN("failed to get ddl data from tablet", K(ret), K(tablet_handle));
} else if (ddl_data.lob_meta_tablet_id_.is_valid()) {
ObTabletHandle lob_meta_tablet_handle;
const ObTabletID &lob_meta_tablet_id = ddl_data.lob_meta_tablet_id_;
if (OB_FAIL(ls_->replay_get_tablet_no_check(lob_meta_tablet_id, scn_, lob_meta_tablet_handle))) {
LOG_WARN("get tablet handle failed", K(ret), K(lob_meta_tablet_id), K(scn_));
} else if (OB_FAIL(replay_ddl_start(lob_meta_tablet_handle, true/*is_lob_meta_tablet*/))) {
LOG_WARN("replay ddl start for lob meta tablet failed", K(ret), K(lob_meta_tablet_id), K(scn_));
}
}
if (OB_SUCC(ret)) {
if (OB_FAIL(replay_ddl_start(tablet_handle, false/*is_lob_meta_tablet*/))) {
LOG_WARN("replay ddl start for data tablet failed", K(ret));
}
}
return ret;
}
int ObDDLStartReplayExecutor::replay_ddl_start(ObTabletHandle &tablet_handle, const bool is_lob_meta_tablet)
{
int ret = OB_SUCCESS;
ObLSHandle ls_handle;
ObLS *ls = nullptr;
ObTenantDirectLoadMgr *tenant_direct_load_mgr = MTL(ObTenantDirectLoadMgr *);
ObTabletDirectLoadMgrHandle direct_load_mgr_handle;
ObTenantDirectLoadMgr *tenant_direct_load_mgr = MTL(ObTenantDirectLoadMgr *);
const int64_t unused_context_id = -1;
bool need_replay = true;
ObTabletID tablet_id;
if (OB_UNLIKELY(!is_inited_)) {
ret = OB_NOT_INIT;
LOG_WARN("ObDDLRedoLogReplayer has not been inited", K(ret));
} else if (OB_UNLIKELY(!log_->is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid arguments", K(ret), K_(log));
} else if (OB_FAIL(check_need_replay_ddl_log_(tablet_handle, scn_, scn_, need_replay))) {
} else if (OB_FAIL(check_need_replay_ddl_log_(ls_, tablet_handle, scn_, scn_, need_replay))) {
if (OB_EAGAIN != ret) {
LOG_WARN("fail to check need replay ddl log", K(ret), K_(tablet_id), K_(scn));
LOG_WARN("fail to check need replay ddl log", K(ret), K(tablet_id), K_(scn));
}
} else if (!need_replay) {
// do nothing
} else if (OB_UNLIKELY(!tablet_handle.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("need replay but tablet handle is invalid", K(ret), K(need_replay), K(tablet_handle));
} else if (FALSE_IT(tablet_id = tablet_handle.get_obj()->get_tablet_id())) {
} else if (OB_ISNULL(tenant_direct_load_mgr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected error", K(ret), K(MTL_ID()));
} else {
ObTabletDirectLoadInsertParam direct_load_param;
const ObITable::TableKey &table_key = log_->get_table_key();
direct_load_param.is_replay_ = true;
bool is_major_sstable_exist = false;
const int64_t snapshot_version = log_->get_table_key().get_snapshot_version();
direct_load_param.common_param_.ls_id_ = tablet_handle.get_obj()->get_tablet_meta().ls_id_;
direct_load_param.common_param_.tablet_id_ = table_key.tablet_id_;
direct_load_param.common_param_.tablet_id_ = tablet_id;
direct_load_param.common_param_.data_format_version_ = log_->get_data_format_version();
direct_load_param.common_param_.direct_load_type_ = log_->get_direct_load_type();
direct_load_param.common_param_.read_snapshot_ = table_key.get_snapshot_version();
if (OB_FAIL(tenant_direct_load_mgr->create_tablet_direct_load(unused_context_id, log_->get_execution_id(), direct_load_param))) {
direct_load_param.common_param_.read_snapshot_ = snapshot_version;
ObITable::TableKey table_key;
if (is_lob_meta_tablet) {
table_key.table_type_ = ObITable::MAJOR_SSTABLE;
table_key.tablet_id_ = tablet_id;
table_key.column_group_idx_ = 0;
table_key.version_range_.base_version_ = 0;
table_key.version_range_.snapshot_version_ = snapshot_version;
} else {
table_key = log_->get_table_key();
}
if (OB_FAIL(tenant_direct_load_mgr->replay_create_tablet_direct_load(tablet_handle, log_->get_execution_id(), direct_load_param))) {
LOG_WARN("create tablet manager failed", K(ret));
} else if (OB_FAIL(tenant_direct_load_mgr->get_tablet_mgr_and_check_major(
ls_->get_ls_id(),
table_key.tablet_id_,
tablet_id,
true/* is_full_direct_load */,
direct_load_mgr_handle,
is_major_sstable_exist))) {
@ -174,8 +216,12 @@ int ObDDLStartReplayExecutor::do_replay_(ObTabletHandle &tablet_handle)
ret = OB_SUCCESS;
LOG_INFO("ddl start log is expired, skip", K(ret), KPC(log_), K(scn_));
} else {
LOG_WARN("get tablet mgr failed", K(ret), K(table_key));
LOG_WARN("get tablet mgr failed", K(ret), K(tablet_id));
}
} else if (OB_FAIL(direct_load_mgr_handle.get_full_obj()->update(
nullptr/*lob_direct_load_mgr*/, // replay is independent for data and lob meta tablet, force null here
direct_load_param))) {
LOG_WARN("update direct load mgr failed", K(ret));
} else if (OB_FAIL(direct_load_mgr_handle.get_full_obj()->start(*tablet_handle.get_obj(),
table_key, scn_, log_->get_data_format_version(), log_->get_execution_id(), SCN::min_scn()/*checkpoint_scn*/))) {
LOG_WARN("direct load start failed", K(ret));
@ -188,7 +234,7 @@ int ObDDLStartReplayExecutor::do_replay_(ObTabletHandle &tablet_handle)
LOG_INFO("succeed to replay ddl start log", K(ret), KPC_(log), K_(scn));
}
}
LOG_INFO("finish replay ddl start log", K(ret), K(need_replay), KPC_(log), K_(scn), "ddl_event_info", ObDDLEventInfo());
FLOG_INFO("finish replay ddl start log", K(ret), K(need_replay), K(tablet_id), KPC_(log), K_(scn), "ddl_event_info", ObDDLEventInfo());
return ret;
}
@ -237,7 +283,7 @@ int ObDDLRedoReplayExecutor::do_replay_(ObTabletHandle &tablet_handle)
} else if (OB_UNLIKELY(!log_->is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid arguments", K(ret), K_(log));
} else if (OB_FAIL(check_need_replay_ddl_log_(tablet_handle, log_->get_redo_info().start_scn_, scn_, need_replay))) {
} else if (OB_FAIL(check_need_replay_ddl_log_(ls_, tablet_handle, log_->get_redo_info().start_scn_, scn_, need_replay))) {
if (OB_EAGAIN != ret) {
LOG_WARN("fail to check need replay ddl log", K(ret), K_(tablet_id), K_(scn));
}
@ -355,10 +401,39 @@ int ObDDLCommitReplayExecutor::init(
return ret;
}
int ObDDLCommitReplayExecutor::do_replay_(ObTabletHandle &tablet_handle) //TODO(jianyun.sjy): check it
int ObDDLCommitReplayExecutor::do_replay_(ObTabletHandle &tablet_handle)
{
int ret = OB_SUCCESS;
ObITable::TableKey table_key;
ObTabletBindingMdsUserData ddl_data;
if (OB_UNLIKELY(!is_inited_)) {
ret = OB_NOT_INIT;
LOG_WARN("ObDDLRedoLogReplayer has not been inited", K(ret));
} else if (OB_UNLIKELY(!log_->is_valid() || !tablet_handle.is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid arguments", K(ret), K_(log), K(tablet_handle));
} else if (OB_FAIL(tablet_handle.get_obj()->ObITabletMdsInterface::get_ddl_data(share::SCN::max_scn(), ddl_data))) {
LOG_WARN("failed to get ddl data from tablet", K(ret), K(tablet_handle));
} else if (ddl_data.lob_meta_tablet_id_.is_valid()) {
ObTabletHandle lob_meta_tablet_handle;
const ObTabletID &lob_meta_tablet_id = ddl_data.lob_meta_tablet_id_;
if (OB_FAIL(ls_->replay_get_tablet_no_check(lob_meta_tablet_id, scn_, lob_meta_tablet_handle))) {
LOG_WARN("get tablet handle failed", K(ret), K(lob_meta_tablet_id), K(scn_));
} else if (OB_FAIL(replay_ddl_commit(lob_meta_tablet_handle))) {
LOG_WARN("replay ddl start for lob meta tablet failed", K(ret), K(lob_meta_tablet_id), K(scn_));
}
}
if (OB_SUCC(ret)) {
if (OB_FAIL(replay_ddl_commit(tablet_handle))) {
LOG_WARN("replay ddl commit for data tablet failed", K(ret));
}
}
return ret;
}
int ObDDLCommitReplayExecutor::replay_ddl_commit(ObTabletHandle &tablet_handle)
{
int ret = OB_SUCCESS;
ObTabletID tablet_id;
ObTabletFullDirectLoadMgr *data_direct_load_mgr = nullptr;
ObTabletDirectLoadMgrHandle direct_load_mgr_handle;
bool need_replay = true;
@ -371,22 +446,22 @@ int ObDDLCommitReplayExecutor::do_replay_(ObTabletHandle &tablet_handle) //TODO(
} else if (OB_UNLIKELY(!log_->is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid arguments", K(ret), K_(log));
} else if (OB_FAIL(check_need_replay_ddl_log_(tablet_handle, log_->get_start_scn(), scn_, need_replay))) {
} else if (OB_FAIL(check_need_replay_ddl_log_(ls_, tablet_handle, log_->get_start_scn(), scn_, need_replay))) {
if (OB_EAGAIN != ret) {
LOG_WARN("fail to check need replay ddl log", K(ret), K(table_key), K_(scn), K_(log));
LOG_WARN("fail to check need replay ddl log", K(ret), K_(scn), K_(log), "tablet", PC(tablet_handle.get_obj()));
}
} else if (!need_replay) {
// do nothing
} else if (OB_UNLIKELY(!tablet_handle.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("need replay but tablet handle is invalid", K(ret), K(need_replay), K(tablet_handle), K_(log), K_(scn));
} else if (OB_FALSE_IT(table_key = log_->get_table_key())) {
} else if (OB_FALSE_IT(tablet_id = tablet_handle.get_obj()->get_tablet_id())) {
} else if (OB_ISNULL(MTL(ObTenantDirectLoadMgr *))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected error", K(ret), K(MTL_ID()));
} else if (OB_FAIL(MTL(ObTenantDirectLoadMgr *)->get_tablet_mgr_and_check_major(
ls_->get_ls_id(),
table_key.tablet_id_,
tablet_id,
true/* is_full_direct_load */,
direct_load_mgr_handle,
is_major_sstable_exist))) {
@ -394,11 +469,11 @@ int ObDDLCommitReplayExecutor::do_replay_(ObTabletHandle &tablet_handle) //TODO(
ret = OB_SUCCESS;
LOG_INFO("ddl commit log is expired, skip", K(ret), KPC(log_), K(scn_));
} else {
LOG_WARN("get tablet mgr failed", K(ret), K(table_key));
LOG_WARN("get tablet mgr failed", K(ret), K(tablet_id));
}
} else if (OB_ISNULL(data_direct_load_mgr = direct_load_mgr_handle.get_full_obj())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected err", K(ret), K(table_key));
LOG_WARN("unexpected err", K(ret), K(tablet_id));
} else if (OB_FAIL(data_direct_load_mgr->commit(*tablet_handle.get_obj(), log_->get_start_scn(), scn_, 0/*unused table_id*/, 0/*unused ddl_task_id*/, true/*is replay*/))) {
if (OB_TABLET_NOT_EXIST == ret || OB_TASK_EXPIRED == ret) {
ret = OB_SUCCESS; // exit when tablet not exist or task expired
@ -408,7 +483,7 @@ int ObDDLCommitReplayExecutor::do_replay_(ObTabletHandle &tablet_handle) //TODO(
} else {
LOG_INFO("replay ddl commit log success", K(ret), K_(log), K_(scn));
}
LOG_INFO("finish replay ddl commit log", K(ret), K(need_replay), K_(log), K_(scn), "ddl_event_info", ObDDLEventInfo());
FLOG_INFO("finish replay ddl commit log", K(ret), K(need_replay), K(tablet_id), KPC_(log), K_(scn), "ddl_event_info", ObDDLEventInfo());
return ret;
}

7
src/storage/ddl/ob_ddl_replay_executor.h
View File

@ -38,11 +38,12 @@ protected:
return false;
}
int check_need_replay_ddl_log_(
static int check_need_replay_ddl_log_(
const ObLS *ls,
const ObTabletHandle &tablet_handle,
const share::SCN &ddl_start_scn,
const share::SCN &scn,
bool &need_replay) const;
bool &need_replay);
virtual bool is_replay_update_mds_table_() const override
{
@ -73,6 +74,7 @@ protected:
// @return OB_NO_NEED_UPDATE, this log needs to be ignored.
// @return other error codes, failed to replay.
int do_replay_(ObTabletHandle &handle) override;
int replay_ddl_start(ObTabletHandle &handle, const bool is_lob_meta_tablet);
private:
const ObDDLStartLog *log_;
@ -120,6 +122,7 @@ protected:
// @return OB_TASK_EXPIRED, ddl task expired.
// @return other error codes, failed to replay.
int do_replay_(ObTabletHandle &handle) override;
int replay_ddl_commit(ObTabletHandle &handle);
private:
const ObDDLCommitLog *log_;

83
src/storage/ddl/ob_direct_insert_sstable_ctx_new.cpp
View File

@ -200,6 +200,40 @@ int ObTenantDirectLoadMgr::create_tablet_direct_load(
return ret;
}
int ObTenantDirectLoadMgr::replay_create_tablet_direct_load(
const ObTabletHandle &tablet_handle,
const int64_t execution_id,
const ObTabletDirectLoadInsertParam &build_param)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!is_inited_)) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else if (OB_UNLIKELY(!tablet_handle.is_valid() || execution_id < 0 || !build_param.is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(tablet_handle), K(execution_id), K(build_param));
} else {
ObTabletMemberWrapper<ObTabletTableStore> table_store_wrapper;
ObTabletDirectLoadMgrHandle direct_load_mgr_handle;
const bool is_full_direct_load_task = is_full_direct_load(build_param.common_param_.direct_load_type_);
const int64_t unused_context_id = -1;
if (OB_FAIL(tablet_handle.get_obj()->fetch_table_store(table_store_wrapper))) {
LOG_WARN("fetch table store failed", K(ret));
} else if (OB_FAIL(try_create_tablet_direct_load_mgr(
unused_context_id,
execution_id,
nullptr != table_store_wrapper.get_member()->get_major_sstables().get_boundary_table(false/*first*/),
allocator_,
ObTabletDirectLoadMgrKey(build_param.common_param_.tablet_id_, is_full_direct_load_task),
false /*is lob tablet*/,
direct_load_mgr_handle))) {
// Newly-allocated Lob meta tablet direct load mgr will be cleanuped when tablet gc task works.
LOG_WARN("try create data tablet direct load mgr failed", K(ret), K(build_param));
}
}
return ret;
}
int ObTenantDirectLoadMgr::try_create_tablet_direct_load_mgr(
const int64_t context_id,
const int64_t execution_id,
@ -2088,11 +2122,11 @@ int ObTabletFullDirectLoadMgr::open(const int64_t current_execution_id, share::S
} else if (OB_UNLIKELY(!start_scn.is_valid_and_not_min())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected err", K(ret), K(start_scn));
} else if (OB_FAIL(init_ddl_table_store(start_scn, table_key_.get_snapshot_version(), start_scn))) {
LOG_WARN("clean up ddl sstable failed", K(ret), K(start_scn), K(table_key_));
} else if (nullptr != lob_tablet_mgr
&& OB_FAIL(lob_tablet_mgr->init_ddl_table_store(start_scn, table_key_.get_snapshot_version(), start_scn))) {
LOG_WARN("clean up ddl sstable failed", K(ret), K(start_scn), K(table_key_));
} else if (OB_FAIL(init_ddl_table_store(start_scn, table_key_.get_snapshot_version(), start_scn))) {
LOG_WARN("clean up ddl sstable failed", K(ret), K(start_scn), K(table_key_));
}
}
}
@ -2483,6 +2517,51 @@ int ObTabletFullDirectLoadMgr::commit(
return ret;
}
int ObTabletFullDirectLoadMgr::replay_commit(
ObTablet &tablet,
const share::SCN &start_scn,
const share::SCN &commit_scn,
const uint64_t table_id,
const int64_t ddl_task_id)
{
int ret = OB_SUCCESS;
ObDDLKvMgrHandle ddl_kv_mgr_handle;
if (OB_UNLIKELY(!is_inited_)) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret), K(is_inited_));
} else if (!is_started()) {
ret = OB_STATE_NOT_MATCH;
LOG_WARN("ddl not started", K(ret), KPC(this));
} else if (start_scn < get_start_scn()) {
ret = OB_TASK_EXPIRED;
LOG_INFO("skip ddl commit log", K(start_scn), K(*this));
} else if (OB_FAIL(set_commit_scn(commit_scn))) {
LOG_WARN("failed to set commit scn", K(ret));
} else if (OB_FAIL(tablet.get_ddl_kv_mgr(ddl_kv_mgr_handle))) {
LOG_WARN("create ddl kv mgr failed", K(ret));
} else if (OB_FAIL(ddl_kv_mgr_handle.get_obj()->freeze_ddl_kv(
start_scn, table_key_.get_snapshot_version(), data_format_version_, commit_scn))) {
LOG_WARN("failed to start prepare", K(ret), K(tablet_id_), K(commit_scn));
} else {
ret = OB_EAGAIN;
while (OB_EAGAIN == ret) {
if (OB_FAIL(update_major_sstable())) {
LOG_WARN("update ddl major sstable failed", K(ret), K(tablet_id_), K(start_scn), K(commit_scn));
}
if (OB_EAGAIN == ret) {
usleep(1000L);
}
}
if (OB_SUCC(ret)) {
if (OB_FAIL(schedule_merge_task(start_scn, commit_scn, false/*wait_major_generate*/, true/*is_replay*/))) {
LOG_WARN("schedule major merge task failed", K(ret));
}
}
}
return ret;
}
int ObTabletFullDirectLoadMgr::schedule_merge_task(
const share::SCN &start_scn,
const share::SCN &commit_scn,

11
src/storage/ddl/ob_direct_insert_sstable_ctx_new.h
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@ -85,6 +85,11 @@ public:
const ObTabletDirectLoadInsertParam &param,
const share::SCN checkpoint_scn = share::SCN::min_scn());
int replay_create_tablet_direct_load(
const ObTabletHandle &tablet_handle,
const int64_t execution_id,
const ObTabletDirectLoadInsertParam &param);
// to start the direct load, write start log in actually.
// @param [in] is_full_direct_load.
// @param [in] ls_id.
@ -426,6 +431,12 @@ public:
const uint64_t table_id,
const int64_t ddl_task_id,
const bool is_replay); // schedule build a major sstable
int replay_commit(
ObTablet &tablet,
const share::SCN &start_scn,
const share::SCN &commit_scn,
const uint64_t table_id,
const int64_t ddl_task_id);
void set_commit_scn_nolock(const share::SCN &scn);
int set_commit_scn(const share::SCN &scn);

6
src/storage/multi_data_source/ob_mds_table_merge_task.cpp
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@ -91,6 +91,12 @@ int ObMdsTableMergeTask::process()
ctx.static_param_.start_time_ = common::ObTimeUtility::fast_current_time();
const share::ObLSID &ls_id = ctx.get_ls_id();
const common::ObTabletID &tablet_id = ctx.get_tablet_id();
#ifdef ERRSIM
if (GCONF.errsim_test_tablet_id.get_value() > 0 && tablet_id.id() == GCONF.errsim_test_tablet_id.get_value()) {
LOG_INFO("test tablet mds dump start", K(ret), K(tablet_id));
DEBUG_SYNC(BEFORE_DDL_LOB_META_TABLET_MDS_DUMP);
}
#endif
const share::SCN &flush_scn = mds_merge_dag_->get_flush_scn();
ctx.static_param_.scn_range_.end_scn_ = flush_scn;
ctx.static_param_.version_range_.snapshot_version_ = flush_scn.get_val_for_tx();